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How to access GPIO in LS1021AIOT board from u-boot.

Question asked by Dhruvalkumar Patel on Jul 5, 2016
Latest reply on Jul 6, 2016 by Dhruvalkumar Patel

I have used few processor pins as GPIO and I want to add specific GPIO functionality(set , clear , toggle) to those pin. Which files to include for GPIO support for LS1021AIOT board. I didn't find a files that I can use and modify GPIO at will . Can nay one guide me here ??  I do know the set and clear function for u-boot. but I am talking about the structure for GPIO.

 

Thanks

Dhruval

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